If you can't ping and have working DNS resolvers in /etc/resolv.conf, contact your web host.

Once fixed and have network connectivity to internet, you can re-setup fresh copy of Centmin Mod local code via commands below by wiping /usr/local/src/centminmod as outlined similar to update guide here for older than .07 releases.

replace branchname with branch you want either 123.08stable or 123.09beta01